Southern California's
Tech
Startup Directory
Showcasing Southern California's innovation, one startup at a time. Every funded and bootstrapped company, from seed round to first dollar of revenue, tracked as it happens.
Includes SEC Form D filings from the last 3 years, plus all-time totals for companies sourced from YC and news coverage.
Artificial Intelligence
The region's largest single cluster by company count — AI and machine learning threaded through nearly every other industry here, from defense to biotech to entertainment.
Aerospace & Defense
Home to SpaceX, Northrop Grumman, and a new wave of hypersonics and space-infrastructure startups.
Entertainment & Gaming Tech
Hollywood's production infrastructure, live events, and a growing games and creator-tools scene.
Semiconductor Hardware
Qualcomm and Broadcom anchor a chip-design cluster spanning the region.
Medical Technology
A deep biotech research base and a growing bench of medical device and diagnostics startups.
B2B
Business software and services sold to other companies. The largest single category of startup across Southern California, spanning sales tools, vertical operating systems, and everything in between.
Industrials
Manufacturing, hardware, and physical-world operations. Overlaps heavily with the region's decades-old aerospace and defense manufacturing base, now extending into robotics and automated production.
Consumer
Products and apps built directly for individual consumers, drawing on Southern California's media and entertainment base.
Healthcare
Health tech, medical devices, and healthcare services, backed by a decades-old biotech research base and a deep bench of clinical and diagnostics startups.
Fintech
Financial technology: payments, banking, investing, and financial infrastructure.
Education
Education technology and learning platforms built across Southern California.
Real Estate & Construction
Property technology, construction tech, and real estate services.
Founded by Jia Yueting, the controversial Chinese entrepreneur behind LeEco who personally filed for Chapter 11 bankruptcy in 2019 to address $3.6 billion in debt; he was reinstated as the company's co-CEO in 2025.
Series B$80.3MFDA-cleared dental AI that detects 37% more disease. Join 29,000+ dental practices using Pearl's dental AI software. Book a demo.
Series C$80.1MOutpace AI-driven attacks. Unify Digital Risk Protection, Human Risk Management, and Email Security to stop digital threats before they scale, empower your teams to lead your defense, and scale your SOC with agentic AI.
Series C$78.6MFactory-produced, deployable fission microreactors to provide strategic energy for mission-critical systems across Earth, space, and underseas.
Series C$75.3MThis is the former legal name of Wonder Project, the faith-focused studio founded by director Jon Erwin ("Jesus Revolution," Amazon's "House of David"), which in 2026 partnered with AI startup Luma to launch the hybrid-production venture Innovative Dreams.
Part of the NantWorks ecosystem of biotech and health companies founded by billionaire physician-entrepreneur Patrick Soon-Shiong, who also owns the Los Angeles Times and invented the cancer drug Abraxane.
Series D$75.0MDiscover how Bionano is striving to elevate health and wellness for all through optical genome mapping (OGM) solutions that transform the way the world sees the genome.